#include <stdio.h>
int main(void)
{
    const int days[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31};
    int index;

    for (index = 0; index < sizeof days / sizeof(days[0]); index++)
        printf("Month %2d has %d days.\n", index + 1, days[index]);

    return 0;
}